The Development and Utilization of Coalbed Methane in Henan Province, China
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1 The Development and Utilization of Coalbed Methane in Henan Province, China Wang Sipeng Zhengzhou Coal Industry (Group)Co., Ltd.
2 Contents 1 Coalbed Methane in Henan 2 Drainage and Utilization of Coalbed Methane in Henan 3 4 The existing technical problems Challenging the Development and utilization of Coalbed Methane in Henan The future development and utilization of coalbed methane in Henan, China
3 1. Coalbed Methane in Henan Raw coal output in 2012: 1.48 million tons 7 major coal mining groups and 15 mining areas : Pingdingshan, Zhengzhou, Yima, Jiaozuo, Hebi, Anyang and Yongxia. Coal Seams extracted: 1) Lower which are Jurassic composed Yima of coal anthracite seam some and mines in Yima highly metamorphic bituminous coal 2) Carboniferous-Permian coal seam all the other mines in Henan
4 Gas Geological Conditions: Complicated, formed early, undergone multiple tectonic activities widely distributed tectonic coal
5 Numbers of mines (807) Registered coal and gas outburst mines : 55 High-gas mines : national key mines (excluding mines under construction 712 local ones Characteristics of the coal seams: strongly absorptive with high gas content and high gas saturation
6 Main Mines Coalbed Methane Reserve
7 2. Drainage and Utilization of Coalbed Methane in Henan Four key coal mining groups : 1) Henan Coal Chemical Industry Group 2) China Pingmei Shenma Group 3) Yima Coal Industry Group 4) Zhengzhou Coal Industry Group
8 Henan Coal Chemical Industry Group Gas drainage mines : 39 Gas drainage stations on the ground : 47 Drainage pumps :186 (drainage capacity of 26081m3/min ) Actual gas drainage amount from January to September in 2012 and the utilizing amount : Mines with CMM power plants: 22 Power plants: 26 Total capacity: 49200KW.h
9 China Pingmei Shenma Group Preliminarily verified geological resources amount of coalbed methane: billion cubic meters (3.332 billion cubic meters consumed and the residual of billion cubic meters) average abundance of coalbed methane: Mines with coalbed methane drainage systems : 22
10 Annual coalbed methane drainage : over 110 million cubic meters (concentration from 2% to 30%) Built power plants of low methane concentration from 6% to 25% : four power plants with capacity of 4 500KW each A gas storage tank of 5000m3 for life usage of the bathhouse, boiler and canteen cooking at the mine of No.10, consuming CMM of 600 thousand cubic meters
11 Others: The geological exploration of No.1 mine of Shoushan power station has been undertaken. And four 4 500KW units have been built in phase I project with the monthly gas utilization from 500 thousand cubic meters to 600 thousand cubic meters.
12 Yima Coal Industry Group 13 mines: drainage capacity of 12374m3/min 23 Gas drainage pumps on the ground (flow rate of 150 m3/min to 500m3/min) :the gas drainage capacity of 2900m3/min 67 Gas drainage pumps under the ground (flow rate of 40m3/min to 220m3/min) : the gas drainage capacity of 9474m3/min.
13 Gas drainage amount and the gas utilizing amount in 2011: million cubic meters & million cubic meters Mines utilizing the gas : Qianqiu Mine, Gengcun Mine, Xin an Mine, Yi an Corporation and Yuxin Corporation. The mines with gas power stations : Qianqiu Mine, Gengcun Mine, Xin an Mine and Yuxin Corporation. total installing capacities of gas engine : KW units
14 Zhengzhou Coal Industry Group Three 2 500KW gas power stations have been built in the mines of Chaohua, Peigou, Cuimiao and Gaocheng and one set of purification equipment of ventilation air methane (VAM) cooperation with Sweden, with investment of 35 million RMB Up to the date of October 30, 2012, the projects utilizing gas in Zhengzhou Coal Industry Group has generated electricity of 1200 kwh, at average annual electricity generation is more than 2 million kwh.
15 3. The existing technical problems Challenging the Development and utilization of Coalbed Methane in Henan 1) The complicated geological structure thatcaused the greatly unbalanced distribution of coalbed methane; 2) The great difficulty of coalbed methane drainage;. 3) The urgent improvement of the coalbed methane drainage equipments 4) The lacking of fund input; 5) The lagging of management construction which hinders the comprehensive utilizing of coal mine methane.
16 4 The future development and utilization of coalbed methane in Henan, China It is an urgent task to adjust China s energy consumption structure so as to meet the high demands on energy and to face challenge of energy security. The total resource amount of Henan is billion cubic meters with overburden depth less than 2000m, the development and utilization of the methane source would be great contributions to energy security in China
17 Thank You!
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